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For use in testing and calibration in ISO 17025 accredited laboratories, to challenge assay performance, validate or compare test methods, and to establish sensitivity, linearity and specificity during assay validation or implementation. 

This cell line may be used as a transfection host.

Certified Reference Material produced under an ISO 17034 accredited process.

Certificates of Analysis are available electronically at www.atcc.org, or by hardcopy upon request.

Item has been tested for KRAS mutation (p.G13D c.38G>A)

The cells express the WNT7B oncogene [PubMed: 8168088].

(Note: The L-15 medium formulation was devised for use in a free gas exchange with atmospheric air. A CO2 and air mixture is detrimental to cells when using this medium for cultivation)

1. Remove and discard culture medium.
2. Briefly rinse the cell layer with 0.25% (w/v) Trypsin- 0.53 mM EDTA solution to remove all traces of serum that contains trypsin inhibitor.
3. Add 2.0 to 3.0 mL of Trypsin-EDTA solution to flask and observe cells under an inverted microscope until cell layer is dispersed (usually within 5 to 15 minutes).
   Note: To avoid clumping do not agitate the cells by hitting or shaking the flask while waiting for the cells to detach. Cells that are difficult to detach may be placed at 37°C to facilitate dispersal.
4. Add 6.0 to 8.0 mL of complete growth medium and aspirate cells by gently pipetting.
5. Add appropriate aliquots of the cell suspension to new culture vessels.
6. Incubate cultures at 37°C without CO₂.

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Sheng S, et al. Maspin acts at the cell membrane to inhibit invasion and motility of mammary and prostatic cancer cells. Proc. Natl. Acad. Sci. USA 93: 11669-11674, 1996. PubMed: 8876194

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